12486805 has 4 divisors (see below), whose sum is σ = 14984172. Its totient is φ = 9989440.

The previous prime is 12486779. The next prime is 12486811. The reversal of 12486805 is 50868421.

12486805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9790641 + 2696164 = 3129^2 + 1642^2 .

It is not a de Polignac number, because 12486805 - 2⁹ = 12486293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248676 + ... + 1248685.

It is an arithmetic number, because the mean of its divisors is an integer number (3746043).

Almost surely, 2^12486805 is an apocalyptic number.

It is an amenable number.

12486805 is a deficient number, since it is larger than the sum of its proper divisors (2497367).

12486805 is an equidigital number, since it uses as much as digits as its factorization.

12486805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497366.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 12486805 is about 3533.6673584252. The cubic root of 12486805 is about 231.9977519104.

The spelling of 12486805 in words is "twelve million, four hundred eighty-six thousand, eight hundred five".